Class 10 Physics Online Tests
Lenses and Characteristics MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Concave lens is also called; "Lenses and Characteristics" App Download [Free] with answers: diverging lens, converging lens, and convex lens to learn online classes courses. Solve Geometrical Optics Quiz Questions, download Google eBook (Free Sample) for virtual online school.
Lenses and Characteristics Questions and Answers PDF Download
Concave lens is also called
- diverging lens
- converging lens
- convex lens
- none of above
Power of a lens is defined as the reciprocal of its
- focal length in meters
- principal axis
- optical center
- vertex
A point on the principal axis at the center of lens is known as
- principal axis
- optical center
- principal focus
- focal length
As the focal length of a concave lens is positive, therefore its power should be
- also negative
- always zero
- positive
- neutral
If an ophthalmologist places a 3.00 diopter lens next to 0.75 diopter lens, the power of lens should be
- 3 diopters
- 0.75 diopters
- 2.25 diopters
- 3.75 diopters
Class 10 Physics Practice Tests
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